Full-Stack AI Developer (CityLAB) | Full-Stack KI-Entwickler:in (w/m/d) CityLAB

Technologiestiftung Berlin

Berlin, Berlin, Deutschland
Published Nov 28, 2025
Full-time
No information

Job Summary

This role places you at the heart of Berlin's public innovation, working within the CityLAB's Prototyping Team to develop cutting-edge digital tools and web applications for public administration and urban life. Day-to-day, you will independently conceptualize, develop, and deploy full-stack solutions, utilizing modern web technologies like TypeScript, React, and Node.js, alongside robust backend tools like PostgreSQL and Docker. A core focus is on Artificial Intelligence, requiring you to build scalable AI agents, optimize Machine Learning methods, and specifically work with Large Language Models (LLMs) using frameworks such as PyTorch or TensorFlow. You will ensure data privacy compliance in all AI applications and drive the introduction of AI technologies and process automation into public services. Key requirements include a relevant university degree, a minimum of two years of professional experience in AI application development, and fluent German (C1). This position is attractive as it offers the chance to drive meaningful, community-oriented digital innovation in Berlin, combining technical excellence with civic engagement.

Required Skills

Education

Completed university degree in Computer Science, Data Science, Machine Learning, Interface Design, or equivalent

Experience

  • Minimum 2 years professional experience in developing AI-supported digital applications
  • Practical experience with AI technologies (LLMs, NLP, Machine Learning, Prompt Engineering)
  • Experience translating complex technical solutions into administrative and urban use cases

Languages

German (Fluent)

Additional

  • Identification with Open Source and Open Data principles; Position available full-time or part-time (minimum 32 hours per week)